- electrocardiographic evidence of acute ischemia or active conduction system abnormalities (not including 1st degree atrioventricular (AV)-block, Wenckebach type 2nd degree heart block, or left bundle branch block. Prior to study entry, any electrocardiogram (ECG) abnormality at Screening has to be documented by the investigator or an authorized physician sub-investigator as not medically relevant). Note: There is no lower limit of left ventricular ejection fraction below which patients are excluded from participation.